Phil Ryken is President of Wheaton College. Before that, he served as Senior Minister of Tenth Presbyterian Church (PCA) in Philadelphia. He received his Bachelors degree from Wheaton College, his Masters of Divinity from Westminster Theological Seminary and his Doctor of Divinity from Oxford University. He has authored numerous books, including a commentary on 1 Timothy (Reformed Expository Commentary). He also serves as a Council Member of the Alliance of Confessing Evangelicals.

Kent Hughes is retired Senior Pastor of College Church in Wheaton. He received his Master of Divinity degree from Talbot Seminary as well as advanced degrees in ministry and divinity from Biola University and Trinity Evangelical Divinity School. He has authored numerous books including Disciplines of a Godly Man and many volumes of the Preaching the Word commentary series of which he is the editor.

Paul Rees is Senior Pastor of Charlotte Chapel in Edinburgh, Scotland. He was raised in Cardiff, the capital city of Wales, and spent time studying in London before transitioning into full-time ministry. He graduated with a Master of Divinity degree from Moore Theological Seminary in Sydney, Australia. Before moving to Edinburgh, Paul spent seven years as the Senior Pastor of Christ the Redeemer Church in Spokane, Washington.